# TERADYNE INC (TER) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 880770102
Page URL: https://superinvestorclub.com/stock/TER
Last updated: 2026-08-29T13:48:14.527Z

## Summary

As of the most recent 13F filing period, TERADYNE INC (TER) is held by 3 tracked superinvestors with an aggregate position value of $771.1M representing 01493080986272101 shares.

## Top institutional holders (3)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Stephen Mandel](https://superinvestorclub.com/manager/61) | Lone Pine Capital | 1493080 | $722.4M | 4.42% | 2026-06-30 |
| 2 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 98627 | $47.7M | 0.20% | 2026-06-30 |
| 3 | [Lee Ainslie](https://superinvestorclub.com/manager/58) | Maverick Capital | 2101 | $1.0M | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2023-12-31: 1 holders, $470,651 aggregate, 04337 shares
- 2025-09-30: 1 holders, $28.6M aggregate, 0207426 shares
- 2025-12-31: 1 holders, $38.7M aggregate, 0199761 shares
- 2026-03-31: 2 holders, $655.7M aggregate, 01872876338946 shares
- 2026-06-30: 3 holders, $771.1M aggregate, 01493080986272101 shares

## Recent congressional trades (12)

- 2025-10-31: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-10-30: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-10-30: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-06-17: Lisa McClain (Republican-MI) purchase $1,001 - $15,000
- 2025-05-19: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-04-23: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-04-01: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-03-03: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-02-19: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-02-12: Julie Johnson (Democrat-TX) purchase $1,001 - $15,000
- 2025-02-12: Julie Johnson (Democrat-TX) purchase $1,001 - $15,000
- 2024-11-15: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "TERADYNE INC (TER) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/TER), aggregating SEC 13F, Form 4, and congressional disclosures."